$289+ Cheap flights from St. Louis (STL) to Copenhagen (CPH)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Apr 11 — Apr 181
Round-trip
1 adult, Economy
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Cheapest flights from St. Louis to CopenhagenExplore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
Explore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.
This Air Canada deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:15 pm
STL
- CPH
2 stops33h 45m
Air Canada
Thu 11/128:55 am
CPH
- STL
2 stops37h 35m
Air Canada
Deal found 3/8![Air Canada logo]()
$656
This Priceline deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
STL
- CPH
2 stops18h 30m
Multiple Airlines
Sat 8/227:50 am
CPH
- STL
2 stops19h 33m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$672
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:25 am
STL
- CPH
1 stop17h 20m
Delta
Wed 5/69:00 am
CPH
- STL
1 stop17h 26m
Delta
Deal found 3/7![Delta logo]()
$699
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:30 pm
STL
- CPH
2 stops29h 25m
United Airlines
Tue 9/1512:45 pm
CPH
- STL
2 stops30h 28m
United Airlines
Deal found 3/8![United Airlines logo]()
$701
This Mytrip deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:10 pm
STL
- CPH
1 stop13h 45m
Multiple Airlines
Sat 8/227:50 pm
CPH
- STL
1 stop30h 40m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$702
This Flysmarter deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:42 am
STL
- CPH
2 stops14h 33m
Multiple Airlines
Wed 4/296:00 am
CPH
- STL
2 stops16h 32m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$708
This FlightHub deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:30 pm
STL
- CPH
1 stop13h 45m
Scandinavian Airlines
Mon 9/211:35 pm
CPH
- STL
1 stop17h 02m
Scandinavian Airlines
Deal found 3/9![Scandinavian Airlines logo]()
$709
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:51 am
STL
- CPH
2 stops16h 59m
Delta
Mon 9/211:55 pm
CPH
- STL
1 stop16h 06m
Delta
Deal found 3/9![Delta logo]()
$710
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:05 pm
STL
- CPH
2 stops15h 00m
Delta
Mon 9/219:00 am
CPH
- STL
2 stops21h 37m
Delta
Deal found 3/8![Delta logo]()
$711
Best flights from St. Louis to CopenhagenDiscover carefully curated flight deals from St. Louis to Copenhagen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
Discover carefully curated flight deals from St. Louis to Copenhagen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 12, 2026.
This Flysmarter deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:15 am
STL
- CPH
3 stops19h 40m
Air Canada
Wed 4/2912:45 pm
CPH
- STL
2 stops15h 28m
Air Canada
Deal found 3/8![Air Canada logo]()
$709
This British Airways deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:30 pm
STL
- CPH
2 stops17h 20m
British Airways
Sun 4/197:00 am
CPH
- STL
1 stop19h 30m
British Airways
Deal found 3/8![British Airways logo]()
$765
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:30 pm
STL
- CPH
2 stops15h 20m
Delta
Tue 9/89:00 am
CPH
- STL
2 stops21h 37m
Delta
Deal found 3/10![Delta logo]()
$790
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:10 pm
STL
- CPH
1 stop13h 45m
United Airlines
Sat 8/2212:15 pm
CPH
- STL
1 stop13h 27m
United Airlines
Deal found 3/10![United Airlines logo]()
$816
This KLM deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:20 pm
STL
- CPH
1 stop31h 25m
Multiple Airlines
Thu 6/111:55 pm
CPH
- STL
1 stop16h 06m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$980
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:45 am
STL
- CPH
2 stops17h 00m
Delta
Thu 6/111:55 pm
CPH
- STL
1 stop16h 06m
Delta
Deal found 3/10![Delta logo]()
$801
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:55 am
STL
- CPH
1 stop18h 55m
United Airlines
Sat 8/1512:15 pm
CPH
- STL
1 stop13h 27m
United Airlines
Deal found 3/10![United Airlines logo]()
$820
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:05 pm
STL
- CPH
2 stops15h 00m
Delta
Tue 7/146:05 am
CPH
- STL
2 stops17h 50m
Delta
Deal found 3/7![Delta logo]()
$842
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:55 am
STL
- CPH
1 stop18h 55m
United Airlines
Tue 7/148:40 am
CPH
- STL
2 stops18h 22m
United Airlines
Deal found 3/7![United Airlines logo]()
$919
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:13 am
STL
- CPH
2 stops17h 02m
Delta
Tue 6/239:00 am
CPH
- STL
1 stop14h 55m
Delta
Deal found 3/10![Delta logo]()
$881
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:55 am
STL
- CPH
1 stop18h 55m
United Airlines
Tue 8/412:40 pm
CPH
- STL
2 stops17h 56m
United Airlines
Deal found 3/9![United Airlines logo]()
$971
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:51 am
STL
- CPH
2 stops16h 34m
Delta
Tue 6/306:05 am
CPH
- STL
2 stops17h 50m
Delta
Deal found 3/10![Delta logo]()
$912
Last-minute flights from St. Louis to CopenhagenDiscover last-minute flight deals from St. Louis to Copenhagen. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Copenhagen. Data last updated March 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:21 pm
STL
- CPH
2 stops17h 39m
Delta
Tue 3/246:45 am
CPH
- STL
2 stops22h 40m
Delta
Deal found 3/7![Delta logo]()
$773
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:30 pm
STL
- CPH
2 stops17h 20m
American Airlines
Sun 4/1912:25 pm
CPH
- STL
2 stops18h 21m
American Airlines
Deal found 3/8![American Airlines logo]()
$763
This British Airways deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:30 pm
STL
- CPH
2 stops17h 20m
British Airways
Sun 4/197:00 am
CPH
- STL
1 stop19h 30m
British Airways
Deal found 3/8![British Airways logo]()
$765
This Finnair deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:21 pm
STL
- CPH
2 stops22h 49m
Finnair
Sun 4/198:50 am
CPH
- STL
2 stops20h 27m
Finnair
Deal found 3/11![Finnair logo]()
$774
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:05 pm
STL
- CPH
1 stop11h 45m
United Airlines
Sun 4/1912:45 pm
CPH
- STL
2 stops39h 28m
United Airlines
Deal found 3/11![United Airlines logo]()
$797
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:25 am
STL
- CPH
1 stop17h 20m
Delta
Wed 5/69:00 am
CPH
- STL
1 stop17h 26m
Delta
Deal found 3/7![Delta logo]()
$699
This Flysmarter deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:42 am
STL
- CPH
2 stops14h 33m
Multiple Airlines
Wed 4/296:00 am
CPH
- STL
2 stops16h 32m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$708
This Flysmarter deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:15 am
STL
- CPH
3 stops19h 40m
Air Canada
Wed 4/2912:45 pm
CPH
- STL
2 stops15h 28m
Air Canada
Deal found 3/8![Air Canada logo]()
$709
This Mytrip deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:33 pm
STL
- CPH
2 stops16h 07m
British Airways
Thu 4/308:50 am
CPH
- STL
2 stops17h 40m
British Airways
Deal found 3/9![British Airways logo]()
$740
This Expedia deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:35 pm
STL
- CPH
2 stops30h 10m
Virgin Atlantic
Sat 5/29:00 am
CPH
- STL
2 stops17h 11m
Virgin Atlantic
Deal found 3/11![Virgin Atlantic logo]()
$775
One-way flights from St. Louis to CopenhagenSearch for one-way flight options from St. Louis to Copenhagen. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
Search for one-way flight options from St. Louis to Copenhagen. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:13 pm
STL
- CPH
3 stops33h 42m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$289
This Booking.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:41 pm
STL
- CPH
2 stops56h 14m
Air Canada
Deal found 3/10![Air Canada logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:12 pm
STL
- CPH
3 stops42h 33m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:33 pm
STL
- CPH
2 stops45h 12m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:21 am
STL
- CPH
3 stops42h 34m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:17 pm
STL
- CPH
3 stops57h 03m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:33 pm
STL
- CPH
2 stops45h 12m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:30 pm
STL
- CPH
3 stops26h 25m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$468
This oojo deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:18 am
STL
- CPH
1 stop17h 17m
British Airways
Deal found 3/9![British Airways logo]()
$480
Find flight deals from St. Louis to Copenhagen
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $672 (Priceline) |
One-way from | $289 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $773 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 12, 2026.
Use the filters below to find and compare flights from St. Louis to Copenhagen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Wed 4/22
6:15 am-8:55 am
3 stops19h 40m
Kastrup Copenhagen
Wed 4/29
12:45 pm-9:13 pm
2 stops15h 28m
$709
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 4/13
4:30 pm-4:50 pm
2 stops17h 20m
Kastrup Copenhagen
Sun 4/19
7:00 am-7:30 pm
1 stop19h 30m
$765
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Thu 9/3
1:30 pm-11:50 am
2 stops15h 20m
Kastrup Copenhagen
Tue 9/8
9:00 am-11:37 pm
2 stops21h 37m
$790
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Tue 5/26
6:45 am-6:45 am
2 stops17h 00m
Kastrup Copenhagen
Thu 6/11
1:55 pm-11:01 pm
1 stop16h 06m
$801
Quickest round-trip
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Fri 8/7
12:10 pm-8:55 am
1 stop13h 45m
Kastrup Copenhagen
Sat 8/22
12:15 pm-6:42 pm
1 stop13h 27m
$816
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 8/3
8:55 am-10:50 am
1 stop18h 55m
Kastrup Copenhagen
Sat 8/15
12:15 pm-6:42 pm
1 stop13h 27m
$820
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sun 7/5
7:05 pm-5:05 pm
2 stops15h 00m
Kastrup Copenhagen
Tue 7/14
6:05 am-4:55 pm
2 stops17h 50m
$842
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Tue 6/2
9:13 am-9:15 am
2 stops17h 02m
Kastrup Copenhagen
Tue 6/23
9:00 am-4:55 pm
1 stop14h 55m
$881
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Tue 6/16
11:51 am-11:25 am
2 stops16h 34m
Kastrup Copenhagen
Tue 6/30
6:05 am-4:55 pm
2 stops17h 50m
$912
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sat 7/4
8:55 am-10:50 am
1 stop18h 55m
Kastrup Copenhagen
Tue 7/14
8:40 am-8:02 pm
2 stops18h 22m
$919
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Copenhagen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Copenhagen in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Copenhagen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Copenhagen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Copenhagen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Copenhagen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Copenhagen
Have a flexible travel schedule? Discover the best time to fly to Copenhagen from St. Louis with our price prediction graph.
STL-CPH
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Copenhagen
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How far ahead should I book a flight from St. Louis to Copenhagen?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Copenhagen. Price data was last updated on March 6, 2026.
The best time to book flights from St. Louis to Copenhagen is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to Copenhagen?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Copenhagen (average of $523). Flying from St. Louis to Copenhagen in June is currently the most expensive (average of $837). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from St. Louis to Copenhagen?
What’s the top layover airport for flights from St. Louis to Copenhagen?
Share of 1-stop round-trip flights from St. Louis to Copenhagen chosen by Cheapflights users in the past 12 months, using the same layover each way.
Philadelphia (PHL) – chosen by Cheapflights users on 67% of 1-stop itineraries from St. Louis to Copenhagen on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Copenhagen?
Average round-trip fare for 1-stop flights from St. Louis to Copenhagen, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $754.
What’s the fastest layover option from St. Louis to Copenhagen?
Shortest average travel time for 1-stop one-way flights from St. Louis to Copenhagen, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Philadelphia (PHL) have the shortest average one-way travel time for 1-stop routes: 11h 06m.
Which airport typically offers the quickest layover for flights from St. Louis to Copenhagen?
Average layover duration for 1-stop one-way flights from St. Louis to Copenhagen, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Philadelphia (PHL) offer the fastest connection on this route, with an average layover time of 1h 51m.
Reviews of airlines servicing Copenhagen
Get insights into the airlines that provide service to Copenhagen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Copenhagen. Reviews last updated March 12, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from St. Louis to Copenhagen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Copenhagen?
Book flights to Copenhagen if you plan to visit one of these locationsKastrup
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Other flights to Copenhagen
Explore flights to Copenhagen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 12, 2026.
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St. Louis and Copenhagen flights
Browse other St. Louis and Copenhagen flight options. Last updated on March 12, 2026.
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Top 7 airlines flying from St. Louis to Copenhagen
Discover the top 7 airlines that operate flights from St. Louis to Copenhagen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$523 | Average$797 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$590 | Average$785 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$592 | Average$811 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$655 | Average$928 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$655 | Average$880 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$684 | Average$924 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$690 | Average$963 | FlexibilityNo cancel fee | On-time76% |